A US liquid quart is one quarter of a US gallon.
Quarts to Cubic inches Converter — qt to in3
Convert Quart (qt) to Cubic inch (in3) using the exact conversion factor (1 quart = 57.75 cubic inch). See the formula, worked examples, conversion table, history, and common uses.
Quarts to Cubic inches converter
Converter
Volume Converter
Convert metric, US customary, imperial, cooking, dry, and industrial volume units.
Context values
Some unit families need one extra value for a physically accurate result.
A cubic inch is the volume of a one-inch cube.
Result = input x 0.000946352946 / 1.6387064e-5.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Quarts to Cubic inches
Quart and Cubic inch appear side by side at fuel pumps and on beverage labels, since the US measures liquids in gallons while most of the world uses liters. Quart is most often used for us recipe measurement (larger liquid volumes).
Formula
cubic inches = quarts × 57.75
This factor comes from each unit's defined relationship to the category's base unit: 1 quart equals 0.000946352946 base units, and 1 cubic inch equals 0.000016387064 base units, so dividing one by the other gives the direct quart-to-cubic inch factor of 57.75.
Simple example
1 qt × 57.75 = 57.75 in3
1 quart = 57.75 cubic inches.
Real-world example
10 qt × 57.75 = 577.5 in3
10 quarts = 577.5 cubic inches.
Conversion table
| Quart (qt) | Cubic inch (in3) |
|---|---|
| 1 qt | 57.75 in3 |
| 5 qt | 288.75 in3 |
| 10 qt | 577.5 in3 |
| 25 qt | 1,443.75 in3 |
| 50 qt | 2,887.5 in3 |
| 100 qt | 5,775 in3 |
Reverse conversion: Cubic inch to Quart
57.75 in3 × 0.01731601732 = 1 qt
57.75 cubic inches = 1 quarts.
quarts = cubic inches × 0.017316017316
For a page dedicated to this direction, see Cubic inch to Quart.
Understanding the Quart
Quart (qt) measures volume. The US liquid quart is exactly one-quarter of a US gallon: 0.946352946 liters. It is classified as a US customary unit.
Where it's used: United States (cooking, dairy, motor oil packaging)
Uses of the Quart today
- US recipe measurement (larger liquid volumes)
- US motor oil and automotive fluid packaging
- US dairy and beverage packaging (quart containers)
History of the Quart
The quart ('quarter' of a gallon) follows the same English wine-gallon lineage as the US gallon, retained by the US after England moved to a different imperial standard in 1824.
Historical origin. Quart was not the invention of a single named person; it developed through the process described above.
Understanding the Cubic inch (in3)
A cubic inch is the volume of a one-inch cube.
Quart — sources
- NIST Handbook 44, Appendix C — General tables of units including the US quart definition.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many cubic inches are in 1 quart?
1 quart equals 57.75 cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert quart to cubic inch?
Multiply the quart value by 57.75. The converter above does this instantly to whatever precision you set.
How do I convert cubic inch back to quart?
Use the reverse factor: 1 cubic inch equals 0.0173160173 quarts. You can also use the swap control in the converter above to flip the direction instantly.
What is a quart?
Quart (qt) measures volume. The US liquid quart is exactly one-quarter of a US gallon: 0.946352946 liters. It is classified as a US customary unit.
What is a cubic inch?
Cubic inch (in3) is a unit of volume.
Is the quart to cubic inch conversion exact?
Yes. The US liquid quart is exactly one-quarter of a US gallon: 0.946352946 liters. That fixed definition is what the converter above uses, so any rounding you see is a display choice, not a limitation of the math.
Where is the quart still used today?
United States (cooking, dairy, motor oil packaging)